def createConnector(self, fromLink, fromLane, toLink, toLane, lanes,
**kwargs):
""" Create a new connector in the model.
Input: from link, from lane, to link, to lane, attributes
Output: Added <link> element to <links> element.
"""
num = self._getNewNum('link')
defaults = {'assumSpeedOncom': '60.00000', 'costPerKm': '0.00000',
'direction': 'ALL',
'displayType': self._getDefaultNum('displayType'),
'emergStopDist': '5.00000', 'gradient': '0.00000',
'hasOvtLn': 'false', 'isPedArea': 'false',
'linkBehavType': self._getDefaultNum('linkBehaviorType'),
'linkEvalAct': 'false',
'linkEvalSegLen': '10.00000', 'lnChgDist': '200.00000',
'lnChgDistIsPerLn': 'false',
'lnChgEvalAct': 'true', 'lookAheadDistOvt': '250.00000',
'mesoFollowUpGap': '0.00000', 'mesoSpeed': '50.00000',
'mesoSpeedModel': 'VEHICLEBASED', 'name': '',
'ovtOnlyPT': 'false', 'ovtSpeedFact': '1.300000',
'showClsfValues': 'true', 'showLinkBar': 'true',
'showVeh': 'true', 'surch1': '0.00000',
'surch2': '0.00000', 'thickness': '0.00000',
'vehRecAct': 'true', 'no': num}
data = self.data
a = {k: str(kwargs.get(k, v)) for k, v in defaults.items()}
etree.SubElement(data.xpath('./links')[0], 'link', attrib=a)
fromAttr = {'lane': str(fromLink) + ' ' + str(fromLane),
'pos': kwargs.get('fromPos', self.getLinkLength(fromLink))}
self._setChild('no', a['no'], 'fromLinkEndPt', fromAttr)
self._setChild('no', a['no'], 'geometry', None)
self._setChild('no', a['no'], 'points3D', None, '/geometry')
fromGeo = self.getGeometries(fromLink)[-2:]
fromPoint = [(v['x'], v['y'], v['zOffset']) for v in fromGeo]
clockwise, fromDist = self.connectorLocation(fromLink, fromLane, lanes)
fromPoint = geo.offsetParallel(fromPoint, fromDist,
clockwise=clockwise)
toGeo = self.getGeometries(toLink)[:2]
toPoint = [(v['x'], v['y'], v['zOffset']) for v in toGeo]
clockwise, toDist = self.connectorLocation(toLink, toLane, lanes)
toPoint = geo.offsetParallel(toPoint, toDist, clockwise=clockwise)
point3D = kwargs.get('point3D', [fromPoint[-1], toPoint[0]])
self.addGeometry(a['no'], point3D)
self._setChild('no', a['no'], 'lanes', None)
# Check number of lanes doesn't exceed the number of from/to lanes
if (len(self.getLanes(fromLink)) >= lanes and
len(self.getLanes(toLink)) >= lanes):
for lane in range(lanes):
self._setChild('no', a['no'], 'lane', None, '/lanes')
else:
raise ValueError('Number of lanes exceeds number of from/to lanes')
toAttr = {'lane': str(toLink) + ' ' + str(toLane),
'pos': kwargs.get('toPos', '0.0000')}
self._setChild('no', a['no'], 'toLinkEndPt', toAttr)
self._getParams()
return self.getConnector(a['no'])
def nodesToXY(self, attr):
""" Process links dictionary to calculate proper XY coordinates.
Input: links dictionary
Output: updated links dictionary with xy dictionary
"""
width = self.v.defaultWidth
nodes = attr['nodes']
point3D = attr['point3D'] = [self.nodeToScaledMeters(n) for n in nodes]
# Parallel
if not self.isOneway(attr):
dist = attr['offset'] * width
point3D = geo.offsetParallel(point3D, dist)
# Endpoints / Turns
if nodes[0] in self.intersections:
dist = self.getCrossStreets(nodes[0], nodes[1]) * width
point3D[0] = geo.offsetEndpoint(point3D, dist)
if nodes[-1] in self.intersections:
dist = self.getCrossStreets(nodes[-1], nodes[-2]) * width
point3D[-1] = geo.offsetEndpoint(point3D, dist, beginning=False)
# Turn dictionary only for ways pointing toward the intersection
attr['turns'] = self.calcTurns(nodes[-1], nodes[-2])
attr['point3D'] = [stringify(i) for i in point3D]
return attr
def nodesToXY(self, attr):
""" Process links dictionary to calculate proper XY coordinates.
Input: links dictionary
Output: updated links dictionary with xy dictionary
"""
width = self.v.defaultWidth
nodes = attr['nodes']
point3D = attr['point3D'] = [self.nodeToScaledMeters(n) for n in nodes]
# Parallel
if not self.isOneway(attr):
dist = attr['offset'] * width
point3D = geo.offsetParallel(point3D, dist)
# Endpoints / Turns
if nodes[0] in self.intersections:
dist = self.getCrossStreets(nodes[0], nodes[1]) * width
point3D[0] = geo.offsetEndpoint(point3D, dist)
if nodes[-1] in self.intersections:
dist = self.getCrossStreets(nodes[-1], nodes[-2]) * width
point3D[-1] = geo.offsetEndpoint(point3D, dist, beginning=False)
# Turn dictionary only for ways pointing toward the intersection
attr['turns'] = self.calcTurns(nodes[-1], nodes[-2])
attr['point3D'] = [stringify(i) for i in point3D]
return attr
def nodesToXY(self, attr):
""" Process links dictionary to calculate proper XY coordinates.
Input: links dictionary
Output: updated links dictionary with xy dictionary
"""
width = self.v.defaultWidth
nodes = attr['nodes']
#print "#######", nodes
point3D = attr['point3D'] = [self.nodeToScaledMeters(n) for n in nodes]
#print point3D
# Parallel
if not self.isOneway(attr):
dist = attr['offset'] * width
#print "###", point3D
#print nodes
#tt = geo.offsetEndpoint(point3D, 1.0)
#print tt
#print "@@@", point3D
'''tt = [[468.514244231,48.6922583583,0],
[468.069585906,89.8343879775,0],
[476.929403034,136.402838403,0]]
'''
point3D = geo.offsetParallel(point3D, dist)
#point3D = geo.offsetParallel(point3D, dist)
# Endpoints / Turns
if nodes[0] in self.intersections:
dist = self.getCrossStreets(nodes[0], nodes[1]) * width
point3D[0] = geo.offsetEndpoint(point3D, dist)
if nodes[-1] in self.intersections:
dist = self.getCrossStreets(nodes[-1], nodes[-2]) * width
point3D[-1] = geo.offsetEndpoint(point3D, dist, beginning=False)
# Turn dictionary only for ways pointing toward the intersection
attr['turns'] = self.calcTurns(nodes[-1], nodes[-2])
attr['point3D'] = [stringify(i) for i in point3D]
return attr
def createConnector(self, fromLink, fromLane, toLink, toLane, lanes,
**kwargs):
""" Create a new connector in the model.
Input: from link, from lane, to link, to lane, attributes
Output: Added <link> element to <links> element.
"""
num = self._getNewNum('link')
defaults = {
'assumSpeedOncom': '60.00000',
'costPerKm': '0.00000',
'direction': 'ALL',
'displayType': self._getDefaultNum('displayType'),
'emergStopDist': '5.00000',
'gradient': '0.00000',
'hasOvtLn': 'false',
'isPedArea': 'false',
'linkBehavType': self._getDefaultNum('linkBehaviorType'),
'linkEvalAct': 'false',
'linkEvalSegLen': '10.00000',
'lnChgDist': '200.00000',
'lnChgDistIsPerLn': 'false',
'lnChgEvalAct': 'true',
'lookAheadDistOvt': '250.00000',
'mesoFollowUpGap': '0.00000',
'mesoSpeed': '50.00000',
'mesoSpeedModel': 'VEHICLEBASED',
'name': '',
'ovtOnlyPT': 'false',
'ovtSpeedFact': '1.300000',
'showClsfValues': 'true',
'showLinkBar': 'true',
'showVeh': 'true',
'surch1': '0.00000',
'surch2': '0.00000',
'thickness': '0.00000',
'vehRecAct': 'true',
'no': num
}
data = self.data
a = {k: str(kwargs.get(k, v)) for k, v in defaults.items()}
etree.SubElement(data.xpath('./links')[0], 'link', attrib=a)
fromAttr = {
'lane': str(fromLink) + ' ' + str(fromLane),
'pos': kwargs.get('fromPos', self.getLinkLength(fromLink))
}
self._setChild('no', a['no'], 'fromLinkEndPt', fromAttr)
self._setChild('no', a['no'], 'geometry', None)
self._setChild('no', a['no'], 'points3D', None, '/geometry')
fromGeo = self.getGeometries(fromLink)[-2:]
fromPoint = [(v['x'], v['y'], v['zOffset']) for v in fromGeo]
clockwise, fromDist = self.connectorLocation(fromLink, fromLane, lanes)
fromPoint = geo.offsetParallel(fromPoint,
fromDist,
clockwise=clockwise)
toGeo = self.getGeometries(toLink)[:2]
toPoint = [(v['x'], v['y'], v['zOffset']) for v in toGeo]
clockwise, toDist = self.connectorLocation(toLink, toLane, lanes)
toPoint = geo.offsetParallel(toPoint, toDist, clockwise=clockwise)
point3D = kwargs.get('point3D', [fromPoint[-1], toPoint[0]])
self.addGeometry(a['no'], point3D)
self._setChild('no', a['no'], 'lanes', None)
# Check number of lanes doesn't exceed the number of from/to lanes
if (len(self.getLanes(fromLink)) >= lanes
and len(self.getLanes(toLink)) >= lanes):
for lane in range(lanes):
self._setChild('no', a['no'], 'lane', None, '/lanes')
else:
raise ValueError('Number of lanes exceeds number of from/to lanes')
toAttr = {
'lane': str(toLink) + ' ' + str(toLane),
'pos': kwargs.get('toPos', '0.0000')
}
self._setChild('no', a['no'], 'toLinkEndPt', toAttr)
self._getParams()
return self.getConnector(a['no'])
